doc: qemu-riscv: Update QEMU run command

Explicitly pass the "-bios" option to QEMU to run U-Boot, instead
of the "-kernel" option, as we know that "-bios" behavior will be
changed since QEMU 5.1.0.

This also updates validated QEMU version to 5.0.0.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Bin Meng 2020-06-23 05:23:15 -07:00 committed by Andes
parent cdae446461
commit ba51269f75

View File

@ -40,11 +40,11 @@ The minimal QEMU command line to get U-Boot up and running is:
- For 32-bit RISC-V::
qemu-system-riscv32 -nographic -machine virt -kernel u-boot
qemu-system-riscv32 -nographic -machine virt -bios u-boot
- For 64-bit RISC-V::
qemu-system-riscv64 -nographic -machine virt -kernel u-boot
qemu-system-riscv64 -nographic -machine virt -bios u-boot
The commands above create targets with 128MiB memory by default.
A freely configurable amount of RAM can be created via the '-m'
@ -56,7 +56,7 @@ For instructions on how to run U-Boot in supervisor mode on QEMU
with OpenSBI, see the documentation available with OpenSBI:
https://github.com/riscv/opensbi/blob/master/docs/platform/qemu_virt.md
These have been tested in QEMU 4.2.0.
These have been tested in QEMU 5.0.0.
Running U-Boot SPL
------------------
@ -98,10 +98,10 @@ configurations are:
- For 32-bit RISC-V::
qemu-system-riscv32 -nographic -machine virt -kernel spl/u-boot-spl \
qemu-system-riscv32 -nographic -machine virt -bios spl/u-boot-spl \
-device loader,file=u-boot.itb,addr=0x80200000
- For 64-bit RISC-V::
qemu-system-riscv64 -nographic -machine virt -kernel spl/u-boot-spl \
qemu-system-riscv64 -nographic -machine virt -bios spl/u-boot-spl \
-device loader,file=u-boot.itb,addr=0x80200000